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What Was the Gold Rush?
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What Was the Gold Rush?
by Joan Holub, Who HQ, Tim Tomkinson (Illustrator)
What Was World War I?
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What Was World War I?
by Nico Medina, Who HQ, Dede Putra (Illustrator)
What Was the March on Washington?
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What Was the March on Washington?
by Kathleen Krull, Who HQ
What Was the Battle of Gettysburg?
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What Was the Battle of Gettysburg?
by Jim O'Connor, Who HQ, John Mantha (Illustrator)
What Was the Bombing of Hiroshima?
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What Was the Bombing of Hiroshima?
by Jess Brallier, Who HQ, Tim Foley (Illustrator)
What is the Declaration of Independence?
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What is the Declaration of Independence?
by Michael C. Harris, Who HQ
What Was the Titanic?
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What Was the Titanic?
by Stephanie Sabol, Who HQ
What Was Ellis Island?
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What Was Ellis Island?
by Patricia Brennan Demuth, Who HQ, David Groff (Illustrator)
What Was Hurricane Katrina?
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What Was Hurricane Katrina?
by Robin Koontz, Who HQ
What Was the Wild West?
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What Was the Wild West?
by Janet B. Pascal, Who HQ, Stephen Marchesi (Illustrator)
What Was the Great Depression?
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What Was the Great Depression?
by Janet B. Pascal, Who HQ
What Was Pompeii?
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What Was Pompeii?
by Jim O'Connor, Who HQ
What Was the Plague?
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What Was the Plague?
by Roberta Edwards, Who HQ, Dede Putra (Illustrator)
What Was the Age of Exploration?
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What Was the Age of Exploration?
by Catherine Daly, Who HQ, Jake Murray
What Was the Harlem Renaissance?
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What Was the Harlem Renaissance?
by Sherri L. Smith, Who HQ

All Books in This Series

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Title: What Is the Declaration of Independence?, Author: Michael C. Harris
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What Is the Declaration of…
by Michael C. Harris, Who HQ, Jerry Hoare (Illustrator)
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Paperback $5.99
Title: What Was Pompeii?, Author: Jim O'Connor
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What Was Pompeii?
by Jim O'Connor, Who HQ, John Hinderliter (Illustrator)
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Paperback $6.99
Title: What Was the Vietnam War?, Author: Jim O'Connor
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What Was the Vietnam War?
by Jim O'Connor, Who HQ, Tim Foley (Illustrator)
Explore Series
Paperback $7.99
Title: What Was Pearl Harbor?, Author: Patricia Brennan Demuth
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What Was Pearl Harbor?
by Patricia Brennan Demuth, Who HQ, John Mantha (Illustrator)
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Paperback $7.99
Title: What Was D-Day?, Author: Patricia Brennan Demuth
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What Was D-Day?
by Patricia Brennan Demuth, Who HQ, David Grayson Kenyon (Illustrator)
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Paperback $7.99
Title: What Was the Berlin Wall?, Author: Nico Medina
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What Was the Berlin Wall?
by Nico Medina, Who HQ, Stephen Marchesi (Illustrator)
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Paperback $5.99
Title: What Was the Harlem Renaissance?, Author: Sherri L. Smith
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What Was the Harlem…
by Sherri L. Smith, Who HQ, Tim Foley (Illustrator)
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Paperback $7.99
Title: What Was the Great Chicago Fire?, Author: Janet B. Pascal
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What Was the Great Chicago…
by Janet B. Pascal, Who HQ, Tim Foley (Illustrator)
Explore Series
Paperback $7.99
Title: What Was the Battle of Gettysburg?, Author: Jim O'Connor
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What Was the Battle of…
by Jim O'Connor, Who HQ, John Mantha (Illustrator)
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Paperback $5.99
Title: What Was the Plague?, Author: Roberta Edwards
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What Was the Plague?
by Roberta Edwards, Who HQ, Dede Putra (Illustrator)
Explore Series
Paperback $7.99
Title: What Is the Civil Rights Movement?, Author: Sherri L. Smith
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What Is the Civil Rights…
by Sherri L. Smith, Who HQ, Tim Foley (Illustrator)
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Paperback $5.99
Title: What Are Castles and Knights?, Author: Sarah Fabiny
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What Are Castles and Knights?
by Sarah Fabiny, Who HQ, Dede Putra (Illustrator)
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Paperback $7.99
Title: What Is the Women's Rights Movement?, Author: Deborah Hopkinson
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What Is the Women's Rights…
by Deborah Hopkinson, Who HQ, Laurie A. Conley (Illustrator)
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Paperback $5.99
Title: What Was Hurricane Katrina?, Author: Robin Koontz
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What Was Hurricane Katrina?
by Robin Koontz, Who HQ, John Hinderliter (Illustrator)
Explore Series
Paperback $6.99
Title: What Was the Bombing of Hiroshima?, Author: Jess Brallier
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What Was the Bombing of…
by Jess Brallier, Who HQ, Tim Foley (Illustrator)
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Paperback $7.99
Title: What Were the Roaring Twenties?, Author: Michele Mortlock
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What Were the Roaring Twenties…
by Michele Mortlock, Who HQ, Jake Murray (Illustrator)
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Paperback $7.99
Title: What Was the Wild West?, Author: Janet B. Pascal
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What Was the Wild West?
by Janet B. Pascal, Who HQ, Stephen Marchesi (Illustrator)
Explore Series
Paperback $7.99
Title: What Is the Panama Canal?, Author: Janet B. Pascal
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What Is the Panama Canal?
by Janet B. Pascal, Who HQ, Tim Foley (Illustrator)
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Paperback $7.99
Title: What Was Woodstock?, Author: Joan Holub
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What Was Woodstock?
by Joan Holub, Who HQ, Gregory Copeland (Illustrator)
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Paperback $7.99
Title: What Was the March on Washington?, Author: Kathleen Krull
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What Was the March on…
by Kathleen Krull, Who HQ, Tim Tomkinson (Illustrator)
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Paperback $5.99

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